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Séminaire Chimie ED459

Porous silicon as a biomaterial for in vivo imaging and drug delivery

Prof. Michael J. Sailor (Dept of Chemistry and Biochemistry / Dept of Bioengineering / Dept of Nanoengineering, UCSD University of California, San Diego, USA)

publié le

Le Jeudi 13 Septembre 2012 à 13h45
UM2, salle de cours SC-16.01

This presentation will discuss the synthesis and properties of a biodegradable nanomaterial based on electrochemically prepared porous silicon. The semiconducting nature of this material leads to photoluminescence, energy transfer, and photonic properties that are not readily obtained in other porous host materials. When combined with its high capacity as a host matrix, low toxicity, tunable pore dimensions, and unique surface chemistry, porous silicon provides some interesting opportunities for biomaterials applications. The use of the magnetic, photoluminescence, and reflective optical characteristics of this material for in-vitro and in-vivo sensing and imaging will be highlighted.

Figure 1 (cliquer pour l’agrandir)

Figure 1. Preparation of micron- and nanometer-size porous Si particles by ultrasonic fracture. At the right is a porous Si nanoparticle containing iron oxide nanoparticle inclusions. Scale bar is 50 nm.

Contact local ICGM : Dr. Frédérique Cunin (équipe MACS)

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